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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2022-12-15 14:35 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
A Study of Sub-THz Band Transmitter Configuration for 6G Mobile Communication System Yasunori Suzuki, Hiroshi Okazaki, Satoshi Suyama (NTT DOCOMO)  MW2022-134 |
This paper presents a sub-THz band transmitter configuration for six-generation mobile communication system. First, we i... [more] | MW2022-134 pp.16-21 |
| MW | 2022-03-04 09:20 |
Online | Online | A study of diode linearizer for 100 GHz amplifier toward 6G Sumire Aoki, Hiroshi Hamada, Hiroto Yamamoto, Atsushi Fukuda (NTT DOCOMO), Jyo Teruo, Hiroyuki Takahashi (NTT), Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO) MW2021-129 |
Sub-THz band (frequency range above 100 GHz) are gathering attention to implement 6G high-speed wireless communications.... [more] | MW2021-129 pp.100-104 |
| AP, SANE, SAT (Joint) |
2018-07-19 09:45 |
Hokkaido | Hokkaido Univ. | Performance Improvement by Digital Pre-Distortion Technique for 32APSK over Satellite Transmission Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai (NHK) SAT2018-18 |
4K/8K test broadcasting by satellite started on August 1st 2016, and 4K/8K commercial broadcasting will start on Decembe... [more] | SAT2018-18 pp.43-48 |
| SAT, SANE (Joint) |
2018-02-23 13:20 |
Yamaguchi | The Yamaguchi Chamber of Commerce and Industry | Comparison of Transmission Performance for 32APSK over TWTA and LTWTA Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai, Shoji Tanaka (NHK) SAT2017-68 |
4K/8K test broadcasting for satellite have been started since August 2016. 4K/8K broadcasting services for satellite wil... [more] | SAT2017-68 pp.65-68 |
| SAT, WBS (Joint) |
2012-05-25 14:10 |
Iwate | Iwate Prefectural University | [Invited Talk]
Distortion Compensation Circuit Techniques for Radio Frequency Transmitters Noriharu Suematsu (Tohoku Univ.) WBS2012-9 SAT2012-8 |
Distortion components in transmitted signals are mainly generated due to the nonlinearities of high power amplifier of r... [more] | WBS2012-9 SAT2012-8 pp.47-54(WBS), pp.41-48(SAT) |
| NS, RCS (Joint) |
2011-12-16 16:20 |
Yamaguchi | Yamaguchi University | A PAPR reduction method on digital predistortion linearizer for compensating frequency dependent distortion components Junya Ohkawara, Yasunori Suzuki, Shoichi Narahashi (NTT DOCOMO) RCS2011-263 |
This paper proposes a peak-to-average power ratio (PAPR) reduction method applied to a digital predistortion linearizer ... [more] | RCS2011-263 pp.183-186 |
| EMCJ, MW, EST | 2011-05-27 15:40 |
Tokyo | NICT | Effect of Analog Predistortion Linearizer in Quasi Saturation Region of RF Power Amplifier Xi Chen (Harbin Engineering Univ.), Yasushi Yamao (Univ. of Electro-Comm.) EMCJ2011-31 MW2011-28 EST2011-24 |
Analog predistorter is a low-cost solution which can moderately compensate for the weak nonlinearity of radio frequency ... [more] | EMCJ2011-31 MW2011-28 EST2011-24 pp.121-126 |
| MW, ED | 2009-01-16 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A High Efficiency Class-F GaN HEMT Power Amplifier with a Diode Predistortion Linearizer Akihiro Ando, Yoichiro Takayama, Tsuyoshi Yoshida, Ryo Ishikawa, Kazuhiko Honjo (The Univ of Electro-Communications) ED2008-222 MW2008-187 |
This paper describes a high-efficiency Class-F GaN HEMT power amplifier linearized by a diode predistorter. The series d... [more] | ED2008-222 MW2008-187 pp.135-139 |
| EMCJ, MW | 2007-10-25 13:55 |
Miyagi | Tohoku University | Wide-band analog predistortion for UHF amplifiers
-- Compensation of IM in a Terrestrial Digital Broadcasting MCPA -- Ryota Iwai, Hiroshi Matsubara, Toshio Nojima (Hokkaido Univ.) EMCJ2007-60 MW2007-107 |
A novel wide-band linearization technique for Terrestrial Digital Broadcasting multi-channel power amplifiers (MCPA) is ... [more] | EMCJ2007-60 MW2007-107 pp.41-46 |
| MW | 2007-05-22 11:40 |
Hyogo | University of Hyogo | Simultaneous 3rd-and-5th-Order Intermodulation Compensation of a 2 GHz Band Power Amplifier by Using Cuber Predistortion and 2nd Harmonics Injection Hiroshi Matsubara (Hokkaido Univ.), Kazuhiro Ishihara, Norihisa Miyadai (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) MW2007-25 |
A new linearization technique is proposed that compensates for 3rd-and-5th-order intermodulation distortion (IM3 and IM5... [more] | MW2007-25 pp.73-77 |
| EMCJ, MW | 2006-10-26 14:30 |
Aomori | Hachinohe Institute of Technology | Linearization of a Microwave Class-F Amplifier Using an Analog Predistortion Circuit Hiroshi Matsubara (Hokkaido Univ.), Norihisa Miyadai (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) EMCJ2006-59 MW2006-115 |
The class-F amplifier operation mode enables a high efficiency power performance even at microwave frequencies. However,... [more] | EMCJ2006-59 MW2006-115 pp.47-52 |
| SCE, MW | 2006-04-20 17:20 |
Tokyo | ISTEC-SRL (Shinonome) | An operation principle and an effect of a Series Anti-Parallel Diode Linearizer Hifumi Noto, Kazuhisa Yamauchi, Satoru Ishizaka, Yoshihiro Hamamatsu, Masatoshi Nakayama (MITSUBISHI ELE. CORP.) |
High efficient power amplifier with low distortion is required for mobile and broadcasting stations. Predistortion linea... [more] | SCE2006-11 MW2006-11 pp.57-62 |
| ICD, CPM | 2005-09-08 15:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 2 GHz Linear Amplifier Module with Feedforward Linearizer Hiroyuki Kayano (Toshiba), Yuji Ohtsuka, Masao Suzuki, Masaya Ishiguro (TDMS), Tatsunori Hashimoto (Toshiba) |
A feedforward linearizer amplifier module on a substrate we have developed is described. In particular, we report the ad... [more] | CPM2005-94 ICD2005-104 pp.49-52 |
| MW | 2005-05-20 11:10 |
Shiga | Fundamental circuit design for a high efficiency power amplifier of IMT-2000 booster repeater linearized by the self-adjusting cuber predistortion Hiroshi Matsubara (Hokkaido Univ.), Kazuhiro Ishihara (Nihon Dengyo Kosaku), Toshio Nojima (Hokkaido Univ.) |
In oreder to achieve low power consumption and consequent downsizing, it is effective for booster repeater of mobile com... [more] | MW2005-26 pp.13-17 |
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